diff --git a/requirements.txt b/requirements.txt
index ca6a0a7f3f..3c6635284d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
-matplotlib==2.2.3; python_version < '3.0'
-matplotlib==3.0.2; python_version >= '3.0'
+matplotlib==3.0.2
 PySide==1.2.4
 # PySide2==5.12.0
 Shiboken==1.2.2